std::unordered_map::size
From Cppreference
< cpp | container | unordered map
| size_type size() const;
| (C++11 feature) | |
Returns the number of elements in the container, i.e. std::distance(begin(), end()).
Contents |
[edit] Parameters
(none)
[edit] Return value
the number of elements in the container
[edit] Exceptions
[edit] Complexity
constant
[edit] See also
| checks whether the container is empty (public member function) | |
| returns the maximum possible number of elements (public member function) | |